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Official data from INPI

SAIS DO ÁCIDO N5, N10 -METILEN-5,6,7,8-TETRAHIDROFÓLICO, PROCESSO P ARA SUA PREPARAÇÃO

Em AnáliseInvention Patent

Application data

Number

PI9003527

Type

Invention Patent

Filing

07/20/1990

Publication

08/27/1991

Progress at the INPI

  1. Filing07/20/90
  2. Publication08/27/91
  3. Abandoned10/29/91
  4. Allowance
  5. Grant
  6. In force

The applicant withdrew the application. The case ended without a patent.

Talk to a specialist

Latest action published by the INPI: 06/08/1993. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Sapec S.A. Fine Chemicals

CH

Inventors

A. M. (pessoa física)

CH

F. M. (pessoa física)

CH

N. T. (pessoa física)

IT

R. V. (pessoa física)

FR

Technical data

IPC Classification

Priority claims

CH

1256/90 · 04/12/1990

CH

2736/89 · 07/21/1989

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

10.1

06/08/1993

RPI 1175

Solicitação de exame técnico

#4.1

10/29/1991

RPI 1091

Publicação do pedido de patente

#3.1

08/27/1991

RPI 1082

Pedido de patente depositado

#2.1

01/22/1991

RPI 1051

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